M4.0 earthquake 99 km SW of Sarangani, Philippines
A magnitude 4.0 earthquake struck 99 km SW of Sarangani, Philippines on Mon, Aug 4, 2003, 7:00 AM GMT+8 (23:00 UTC), 300 km (186 mi) below the surface.
A larger quake followed: M4.9 68 km SSE of Sarangani, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 2003-08-03 23:00:18 UTC
- Depth
- 300.0 km (186.4 mi), deep
- Epicenter
- 4.709° N, 124.894° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 135°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000c40z. Read Wed, Sep 30, 2026, 4:12 PM UTC.